however, this approach does not allow 
$mail_host          = $cfg->param('mail_host') || 'mail@xxx.org';
$support_addr       = $cfg->param('support_addr') || 'support@xxx.org'
+;

[download]
default values.

In reply to Re^5: checking values of variables by fionbarr
in thread checking values of variables by fionbarr

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